/Engine/Source/Developer/AutomationDriver/Public/IDriverElement.h
Moves focus to the element, then triggers the series of events to invoke keyboard input for each argument in order from N to 1. They will not be pressed if if not currently being pressed.
whether the release chord was successful
bool ReleaseChord ( [FKey](API\Runtime\InputCore\FKey) Key1, [FKey](API\Runtime\InputCore\FKey) Key2 )